The C 388 BluOS-2i is an Streaming Integrated Amplifier by NAD that delivers 150 watts x 2 channels into 8 ohms and 150 watts x 2 channels into 4 ohms. Minimum impedance of 4 ohms makes the C 388 BluOS-2i compatible with a wide range of loudspeakers. Thanks to its built-in DAC, you can play digital sources directly without the need for an external DAC unit. NAD C 388 BluOS-2i lets you connect your turntable via its Phono input and start listening to your vinyl collection without a hassle. NAD C 388 BluOS-2i has an MSRP of 2049$.
There are 10 NAD amplifiers in our database. Below you can see the main specs of these amps.
NAD Integrated Amplifier Series
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.
One of the most important factors when deciding on an integrated amplifier is its power ratings and compatibility with your speaker's impedance requirements.The NAD C 388 BluOS-2i is rated at 150 watts RMS into 8-ohms. NAD provides this wattage at a THD (Total Harmonic Distortion) of 0.009% which is an important indicator of distortion at the given values (lower THD is better).
Here are the main highlights of its performance specs:
- 150 watts into 8-ohms (20-20k) at 0.009%
- 150 watts into 4-ohms
- 4-ohms Min Impedance (allows compatibility with a wide range of loudspeakers)
- 95dB Signal to Noise Ratio
When pairing the NAD C 388 BluOS-2i with a passive Bookshelf (Stand mount) or Passive Floor Standing (Tower) speaker, you have to check if their Max Power Range is below the max wattage of the amp for the given impedance levels.
Operating your amp outside of this max range may damage the speakers.
What size of room is the NAD C 388 BluOS-2i Amplifier good for?
An essential deciding factor is the size of the room in which you intend to employ the NAD C 388 BluOS-2i amplifier. Here, taking into account its maximum power parameters, we analyzed its applicability to various size environments:
|Near-field||Are you nuts?|
|Very Large Room||Good|
Inputs and Outputs
Besides the performance specs of the NAD C 388 BluOS-2i, the next important feature set that you have to evaluate is the input and output selections that it offers.
NAD C 388 BluOS-2i has total of 2 Analog inputs including 1 Phono Input (MM).
- Total Number of Analog Inputs: 2
- Phono Input
- 2 Optical Digital Input
- 2 Coaxial Digital Input
- Stereo RCA Preamp Outputs
- 1/4 Headphone Output
NAD C 388 BluOS-2i features built-in Bluetooth 4.0 for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops.
Among the amps in the same price range, these are the 5 amps that have Bluetooth Connectivity:
NAD C 388 BluOS-2i supports the following Bluetooth Codecs when used with supported devices:Bluetooth Transmitter:
NAD C 388 BluOS-2i can also act as a Bluetooth transmitter, making it possible to stream the music from the amp to your bluetooth headphones or speakers.
NAD C 388 BluOS-2i features one Phono Input which is compatible with MM (Moving Magnet)
type of phono cartridges, you can connect your turntable with MM cartridges directly to this amp without the need for a phono preamp. If you are using an MC cartridge on your turntable, you need to use a phono preamp that has MC phono stage.
NAD C 388 BluOS-2i has Stereo RCA preamp outputs which can be used to connect to a powered subwoofer via an RCA cable ( as long as your sub supports this connection).
Check our Powered Subwoofers
page to find a subwoofer that will work with NAD C 388 BluOS-2i amp and your speakers.
DAC and Digital Music
The NAD C 388 BluOS-2i's built-in DAC allows the connection of digital sources directly, eliminating the need for an external DAC.
NAD C 388 BluOS-2i External Dimensions and Weight
NAD C 388 BluOS-2i has external dimensions of (H x W x D) 4-3/4inch x 17-1/8inch x 16-5/8inch (121.0mm x 435.0mm x 423.0mm ). The unit weighs 11.25kg / 24.8lbs
Base Surface Area
Base surface area of an integrated amplifier may become an important decision factor when the space in your room or desk is limited.
The base area of the NAD C 388 BluOS-2i is approximately 1840.1cm2 / 285.2inch2.
- Width: 435.0mm (17-1/8")
- Height: 121.0mm (4-3/4")
- Depth: 423.0mm (16-5/8")
- Weight: 11.25 kg (24.75lbs)
- Base Surface Area: ~1840.1cm2 / 285.2inch2
- Volume: ~22.3 liter / 5.9 gallon
What's in the Box of NAD C 388 BluOS-2i?
Here are the items that are included inside the box of C 388 BluOS-2i:
Hybrid Digital DAC Amplifier6-feet AC power cordMDC BluOS 2i module (pre-installed)2 AntennasRemote control (SR 9)2 AA batteriesUSB/WiFi dongleAntenna41-inch USB extension cableQuick Setup GuideMounting InstructionsWarranty Information
Official Product Page
Official manufacturer's product page for the NAD C 388 BluOS-2i Integrated Amplifier can be found below:
Official Product Page for NAD C 388 BluOS-2i
2 Years of parts warranty and 2 Years of labor warranty is generally provided for the NAD C 388 BluOS-2i by the manufacturer.
|Full Model Name
||NAD C 388 BluOS-2i
|Watts RMS per Channel into 8-ohms
|Watts RMS per Channel into 6-ohms
|Watts RMS per Channel into 4-ohms
|Signal to Noise Ratio
|Total Analog Inputs
|Optical Digital Inputs
|Coaxial Digital Inputs
|Pre-out / Main-in Loop
|Removable Power Cord
||11.25 kg (24.75lbs)